//
//  CCPShellHandler.m
//
//  Copyright (c) 2013 Delisa Mason. http://delisa.me
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to
//  deal in the Software without restriction, including without limitation the
//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
//  sell copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
//  IN THE SOFTWARE.

#import "VWKShellHandler.h"

#import <AppKit/AppKit.h>

#import "VWKRunOperation.h"

static NSOperationQueue *operationQueue;

@implementation VWKShellHandler

+ (void)runShellCommand:(NSString *)command withArgs:(NSArray *)args directory:(NSString *)directory completion:(void (^)(NSTask *t, NSString *standardOutputString, NSString *standardErrorString))completion
{
	if (operationQueue == nil) {
		operationQueue = [NSOperationQueue new];
	}
    
	NSTask *task = [NSTask new];
    
    NSMutableDictionary * environment = [[[NSProcessInfo processInfo] environment] mutableCopy];
    environment[@"LC_ALL"]=@"en_US.UTF-8";
    [task setEnvironment:environment];
    
	task.currentDirectoryPath = directory;
	task.launchPath = command;
	task.arguments  = args;
    
    NSMutableString *standardOutputString = [NSMutableString string];
    NSMutableString *standardErrorString = [NSMutableString string];
    
	VWKRunOperation *operation = [[VWKRunOperation alloc] initWithTask:task standardOutputString:standardOutputString standardErrorString:standardErrorString];
    operation.completionBlock = ^{
        if (completion) {
            completion(task, standardOutputString, standardErrorString);
        }
    };
	[operationQueue addOperation:operation];
}

@end
